protected void Button1_Click(object sender, EventArgs e)
        {
            bool  res = ChannelSys.getInstance().addChannel(txtChannelNo.Text, txtChannelName.Text);
            OpRes op  = OpRes.opres_success;

            if (!res)
            {
                op = OpRes.op_res_failed;
            }

            genTable(tabChannel);
            m_opRes.InnerText = OpResMgr.getInstance().getResultString(op);
        }
        protected void btnDel_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(m_modifyFlagStr))
            {
                return;
            }

            string[] arr = Tool.split(m_modifyFlagStr, ',', StringSplitOptions.RemoveEmptyEntries);
            foreach (var channel in arr)
            {
                ChannelSys.getInstance().delChannel(channel);
            }

            genTable(tabChannel);
        }